It varies by where you live. Americans are usually seen as the biggest per capita water users in the world. Average daily water use in USA is 50 to 100 gallons per person per day, showers, hand washing, dishes, toilets, laundry ect. Equals about 2,000 - 3,000 gallons a month. This site has a great calculator - ga.water.usgs.gov/edu/sq3.html Jusy copy and paste it in your browser window. Put an
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